Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
2 days
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Problems

#	Name
316D1	PE Lesson brute force, dp	2300	x477
856B	Similar Words dp, hashing, strings, trees	2300	x475
316D2	PE Lesson dp	2300	x415
37D	Lesson Timetable combinatorics, dp, math	2300	x387
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x347
838E	Convex Countour dp	2300	x322
77D	Domino Carpet dp, implementation	2300	x309
774I	Composing Of String *special problem, dp	2300	x100
449D	Jzzhu and Numbers bitmasks, combinatorics, dp	2400	x4051
1083E	The Fair Nut and Rectangles data structures, dp, geometry	2400	x3774
311B	Cats Transport data structures, dp	2400	x3177
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x2945
932E	Team Work combinatorics, dp, math	2400	x2674
626F	Group Projects dp	2400	x2664
632E	Thief in a Shop divide and conquer, dp, fft, math	2400	x2543
815C	Karen and Supermarket brute force, dp, trees	2400	x2458
484D	Kindergarten data structures, dp, greedy	2400	x2408
1428F	Fruit Sequences binary search, data structures, divide and conquer, dp, two pointers	2400	x2160
1107E	Vasya and Binary String dp	2400	x2142
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2075
1340C	Nastya and Unexpected Guest dfs and similar, dp, graphs, shortest paths	2400	x2018
1348E	Phoenix and Berries brute force, dp, greedy, math	2400	x1975
1628D2	Game on Sum (Hard Version) combinatorics, dp, games, math	2400	x1969
959F	Mahmoud and Ehab and yet another xor task bitmasks, dp, math, matrices	2400	x1936
1485F	Copy or Prefix Sum combinatorics, data structures, dp, sortings	2400	x1861
1609E	William The Oblivious bitmasks, data structures, dp, matrices	2400	x1835
24D	Broken robot dp, math, probabilities	2400	x1784
467D	Fedor and Essay dfs and similar, dp, graphs, hashing, strings	2400	x1761
1827B2	Range Sorting (Hard Version) binary search, data structures, dp, greedy	2400	x1754
1144G	Two Merged Sequences dp, greedy	2400	x1734
1720D2	Xor-Subsequence (hard version) bitmasks, data structures, dp, strings, trees	2400	x1723
990G	GCD Counting divide and conquer, dp, dsu, number theory, trees	2400	x1718
1582F2	Korney Korneevich and XOR (hard version) binary search, brute force, dp, greedy, two pointers	2400	x1709
1706D2	Chopping Carrots (Hard Version) brute force, constructive algorithms, data structures, dp, greedy, math, number theory, two pointers	2400	x1649
1260E	Tournament brute force, dp, greedy	2400	x1600
1715E	Long Way Home data structures, divide and conquer, dp, geometry, graphs, greedy, shortest paths	2400	x1594
1630D	Flipping Range constructive algorithms, dp, greedy, number theory	2400	x1504
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1493
1242C	Sum Balance bitmasks, dfs and similar, dp, graphs	2400	x1465
1743E	FTL binary search, dp	2400	x1463
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1441
1367F2	Flying Sort (Hard Version) binary search, data structures, dp, greedy, sortings, two pointers	2400	x1440
1852C	Ina of the Mountain data structures, dp, greedy, math	2400	x1439
1499E	Chaotic Merge combinatorics, dp, math, strings	2400	x1405
1088E	Ehab and a component choosing problem dp, greedy, math, trees	2400	x1395
1819C	The Fox and the Complete Tree Traversal constructive algorithms, dp, implementation, math, trees	2400	x1385
1096G	Lucky Tickets divide and conquer, dp, fft	2400	x1366
115E	Linear Kingdom Races data structures, dp	2400	x1356
1804E	Routing bitmasks, brute force, dfs and similar, dp, graphs	2400	x1354
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1351
1059E	Split the Tree binary search, data structures, dp, greedy, trees	2400	x1351
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1320
1598F	RBS binary search, bitmasks, brute force, data structures, dp	2400	x1319
825F	String Compression dp, hashing, string suffix structures, strings	2400	x1313
643C	Levels and Regions dp	2400	x1312
1792E	Divisors and Table brute force, dfs and similar, dp, number theory	2400	x1300
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1291
1304F2	Animal Observation (hard version) data structures, dp, greedy	2400	x1274
698C	LRU bitmasks, dp, math, probabilities	2400	x1273
1109D	Sasha and Interesting Fact from Graph Theory brute force, combinatorics, dp, math, trees	2400	x1264
1237E	Balanced Binary Search Trees dp, math	2400	x1259
1101F	Trucks and Cities binary search, dp	2400	x1252
1499F	Diameter Cuts combinatorics, dfs and similar, dp, trees	2400	x1243
1736C2	Good Subarrays (Hard Version) binary search, data structures, dp, two pointers	2400	x1229
1542E1	Abnormal Permutation Pairs (easy version) combinatorics, dp, fft, math	2400	x1180
906C	Party bitmasks, brute force, dp, graphs	2400	x1179
1943D1	Counting Is Fun (Easy Version) brute force, combinatorics, dp, math	2400	x1175
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1173
1739E	Cleaning Robot bitmasks, dp	2400	x1164
1585F	Non-equal Neighbours combinatorics, dp, math	2400	x1149
498B	Name That Tune dp, probabilities, two pointers	2400	x1147
1839E	Decreasing Game constructive algorithms, dfs and similar, dp, greedy, interactive	2400	x1141
1697E	Coloring brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math	2400	x1133
1679E	Typical Party in Dorm bitmasks, combinatorics, dp, strings	2400	x1092
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1062
498D	Traffic Jams in the Land data structures, dp, number theory	2400	x1061
526E	Transmitting Levels dp, implementation	2400	x1052
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1051
641D	Little Artem and Random Variable dp, implementation, math, probabilities	2400	x1046
780F	Axel and Marston in Bitland bitmasks, dp, graphs, matrices	2400	x1018
31E	TV Game dp	2400	x1016
1004E	Sonya and Ice Cream binary search, data structures, dp, greedy, shortest paths, trees	2400	x1007
1794E	Labeling the Tree with Distances data structures, dp, greedy, hashing, implementation, trees	2400	x1003
744C	Hongcow Buys a Deck of Cards bitmasks, brute force, dp	2400	x1001
1107G	Vasya and Maximum Profit binary search, constructive algorithms, data structures, dp, dsu	2400	x986
756D	Bacterial Melee brute force, combinatorics, dp, string suffix structures	2400	x974
1930E	2..3...4.... Wonderful! Wonderful! combinatorics, dp, math	2400	x972
886E	Maximum Element combinatorics, dp, math	2400	x972
1093F	Vasya and Array dp	2400	x970
1194F	Crossword Expert combinatorics, dp, number theory, probabilities, two pointers	2400	x964
1038E	Maximum Matching bitmasks, brute force, dfs and similar, dp, graphs	2400	x951
1132G	Greedy Subsequences data structures, dp, trees	2400	x950
1784D	Wooden Spoon combinatorics, dp	2400	x945
1670F	Jee, You See? bitmasks, combinatorics, dp	2400	x915
1099F	Cookies binary search, data structures, dfs and similar, dp, games, trees	2400	x907
1129C	Morse Code binary search, data structures, dp, hashing, sortings, string suffix structures, strings	2400	x896
1032F	Vasya and Maximum Matching dp, trees	2400	x894
939F	Cutlet data structures, dp	2400	x870
990F	Flow Control dfs and similar, dp, greedy, trees	2400	x869
1620G	Subsequences Galore bitmasks, combinatorics, dp	2400	x853